Forces acting on a small particle in an acoustical field in a viscous fluid

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Forces acting on a small particle in an acoustical field in a viscous fluid. / Settnes, Mikkel; Bruus, Henrik.

In: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Vol. 85, No. 1, 2012, p. 016327.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Author

Settnes, Mikkel; Bruus, Henrik / Forces acting on a small particle in an acoustical field in a viscous fluid.

In: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Vol. 85, No. 1, 2012, p. 016327.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

Bibtex

@article{c60613ff4c3a4b8eba25ece4a139b8ef,
title = "Forces acting on a small particle in an acoustical field in a viscous fluid",
author = "Mikkel Settnes and Henrik Bruus",
year = "2012",
doi = "10.1103/PhysRevE.85.016327",
volume = "85",
number = "1",
pages = "016327",
journal = "Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)",
issn = "15393755",

}

RIS

TY - JOUR

T1 - Forces acting on a small particle in an acoustical field in a viscous fluid

A1 - Settnes,Mikkel

A1 - Bruus,Henrik

AU - Settnes,Mikkel

AU - Bruus,Henrik

PY - 2012

Y1 - 2012

N2 - We calculate the acoustic radiation force from an ultrasound wave on a compressible, spherical particle suspended in a viscous fluid. Using Prandtl-Schlichting boundary-layer theory, we include the kinematic viscosity of the solvent and derive an analytical expression for the resulting radiation force, which is valid for any particle radius and boundary-layer thickness provided that both of these length scales are much smaller than the wavelength of the ultrasound wave (millimeters in water at megahertz frequencies). The acoustophoretic response of suspended microparticles is predicted and analyzed using parameter values typically employed in microchannel acoustophoresis.

AB - We calculate the acoustic radiation force from an ultrasound wave on a compressible, spherical particle suspended in a viscous fluid. Using Prandtl-Schlichting boundary-layer theory, we include the kinematic viscosity of the solvent and derive an analytical expression for the resulting radiation force, which is valid for any particle radius and boundary-layer thickness provided that both of these length scales are much smaller than the wavelength of the ultrasound wave (millimeters in water at megahertz frequencies). The acoustophoretic response of suspended microparticles is predicted and analyzed using parameter values typically employed in microchannel acoustophoresis.

U2 - 10.1103/PhysRevE.85.016327

DO - 10.1103/PhysRevE.85.016327

JO - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)

JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)

SN - 15393755

IS - 1

VL - 85

SP - 016327

ER -